| Acronym | Meaning |
| WAD | Weapons Alert Designator |
| DICASS | DIrectional Command Activated Sonobuoy System |
| LAT | Lowest Astronomical Tide (nautical Charts) |
| FARP | Forward Arming And Refuelling Point / Forward Area Rearm/refuel Point |
| FHFIF | Foster's Home For Imaginary Friends |
| ALSP | Aggregate Level Simulation Protocol |
| DTI | UK Department Of Trade And Industry |
| THA | Thailand (ISO 3166 Trigram) |
| CTS | Clear-To-Send - Collective Training Standards - Communications Technology Service - Contract Technical Services - Conversation Time Sharing - COSMIC Top Secret |
| OCFS | Oracle Cluster File System |